From 789d248558061fe4d65f664d6770a12b90fa2e34 Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack@tungstengraphics.com>
Date: Fri, 26 Oct 2007 19:12:02 -0400
Subject: Hold a stack of temporaries so that we can redeclare them for all
 defined functions. Fixes crashes in function calls.

---
 src/mesa/pipe/llvm/storage.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/mesa/pipe/llvm/storage.cpp')

diff --git a/src/mesa/pipe/llvm/storage.cpp b/src/mesa/pipe/llvm/storage.cpp
index 88ef6711cfb..7300cdfef06 100644
--- a/src/mesa/pipe/llvm/storage.cpp
+++ b/src/mesa/pipe/llvm/storage.cpp
@@ -369,3 +369,24 @@ void Storage::popArguments()
    m_CONST = arg.cst;
    m_argStack.pop();
 }
+
+void Storage::pushTemps()
+{
+   m_tempStack.push(m_temps);
+   std::vector<llvm::Value*> oldTemps = m_temps;
+   m_temps = std::vector<llvm::Value*>(32);
+   int i = 0;
+   for (std::vector<llvm::Value*>::iterator itr = oldTemps.begin();
+        itr != oldTemps.end(); ++itr) {
+      if (*itr) {
+         declareTemp(i);
+      }
+      ++i;
+   }
+}
+
+void Storage::popTemps()
+{
+   m_temps = m_tempStack.top();
+   m_tempStack.pop();
+}
-- 
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